"Glycerin" is the one substance among the following choices given in the question that will <span>float in corn syrup. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your desired help.</span>
Answer:
Explanation:
Hello,
In this case, considering the density and mass of both water and heptane we first compute the volume of each one:
Now, the total volume is:
Which is equal to:
Then, by knowing that the volume of a cylinder is πr²h or π(D/2)²h, we solve for the height as follows:
Best regards.
Answer:
malleable
Explanation:
physical properties of matter include colour, hardness, malleability, solubility, density etc
"Spherical: Bacteria shaped like a ball are called cocci, and a single bacterium is a coccus. Examples include the streptococcus group, responsible for “strep throat.”
Rod-shaped: These are known as bacilli (singular bacillus). ...
Spiral: These are known as spirilla (singular spirillus).
" - Medical News Today
The mass of C₂H₂ that would be produced by complete reaction of 3.75 g of calcium carbide is 1.524 grams
<u><em>calculation</em></u>
calcium carbide (CaC₂) react with water(H₂O) to produce C₂H₂ and Ca(OH)₂ according to reaction below
CaC₂ +2H₂O C₂H₂ + Ca(OH)₂
calculate the moles of CaC₂
moles = mass÷ molar mass
from periodic table the molar mass of CaC₂ = 40 + (12 x2) = 64 g/mol
moles is therefore =3.75 g÷ 64 g/mol =0.0586 moles
Use the mole ratio to determine the moles of C₂H₂
from equation above CaC₂: C₂H₂ is 1:1 therefore the moles of C₂H₂ is also
= 0.0586 moles
mass of C₂H₂ = moles x molar mass
from periodic table the molar mass of C₂H₂ = (12 x 2) + (1 x 2) = 26 g/mol
mass =0.0586 moles x 26 g/mol =1.524 grams
